Home / 118,021.13-162,867.11-64,306.59

Finding the Fourth Proportional to 118,021.13, 162,867.11 and 64,306.59

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Solution

The fourth proportional to 118,021.13, 162,867.11 and 64,306.59 is: 88,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,021.13 : 162,867.11 = 64,306.59 : x
  2. Step 2: Convert to fraction form
    118,021.13/162,867.11 = 64,306.59/x
  3. Step 3: Cross multiply
    118,021.13x = 162,867.11 × 64,306.59
  4. Step 4: Simplify right side
    118,021.13x = 10,473,428,145.72
  5. Step 5: Solve for x
    x = 10,473,428,145.72/118,021.13
  6. Step 6: Final answer
    x = 88,741.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.